Chemical Properties of Alkanes

IMPORTANT

Chemical Properties of Alkanes: Overview

This topic covers concepts, such as, Chemical Properties of Alkanes, Halogenation of Alkanes, Nitration of Alkane as a Free Radical Substitution Reaction & Sulphonation of Alkane etc.

Important Questions on Chemical Properties of Alkanes

MEDIUM
IMPORTANT

How many chiral compounds are possible on mono chlorination of 2-methyl butane?

MEDIUM
IMPORTANT

Only two isomeric monochloro derivatives are possible for

MEDIUM
IMPORTANT

The acid used in sulphonation of ethane is concentrated _____ acid.

MEDIUM
IMPORTANT

Write down the products formed during the sulphonation of alkanes.

MEDIUM
IMPORTANT

When alkane is treated with concentrated sulphuric acid, it is known as _____ of alkanes.

MEDIUM
IMPORTANT

What happen when alkane is treated with sulphuric acid.

MEDIUM
IMPORTANT

Write the chemical reaction for nitration of alkanes.

MEDIUM
IMPORTANT

Write the chemical reaction for alkane when it is treated with sulphuric acid.

EASY
IMPORTANT

Which of the following is the chemical reaction of methane with steam?

EASY
IMPORTANT

Write the chemical reaction of methane with steam?

EASY
IMPORTANT

What happens when methane reacts with steam?

HARD
IMPORTANT

The correct option referenced to the below statements is
Statement (i) : In the combustion of methane, water is one of the products.
Statement (ii): Combustion of 32 grams of methane gives 18 grams of water.

EASY
IMPORTANT

In general, the more reactive the metal, the more rapid the reaction with steam.

EASY
IMPORTANT

Which of the following metals do not react with steam?

EASY
IMPORTANT

What are formed when a metal reacts with steam?

MEDIUM
IMPORTANT

 Which of the statements is/are true about the reactivity of halogenation of alkanes? The reactivity order is

F2>Cl2>Br2>I2

I. Lower the activation energy for the chain initiation step, more reactive is the halogen.

II. Lower the activation energy for the first chain propagation step, more reactive is the halogen

III. More negative is the overall heat of the reaction (ΔHr°) of halogenation of alkane, more reactive is the halogen

IV. Lower the activation energy for the second chain propogation step, more reactive is the halogen.

 

HARD
IMPORTANT

There are two ways for the preparation of 2,2-diethylbutane 

Question Image 

By Corey-House synthesis.

 

Path I:

Question Image

Path II:

Question Image

Which one of the following statements is correct?

MEDIUM
IMPORTANT

Calculate the % of major monochlorinated product obtained by chlorination of 2, 2, 5 trimethylhexane. Relative rate of alkyl radical formation by a chlorine radical at room temperature is 5: 4 : 1 (3° : 2° : 1°).

EASY
IMPORTANT

At which carbon chlorination would be yielding highest?
Picture 105

HARD
IMPORTANT

Find the total number of isomeric products in the following reaction.
Question Image